Identify from the following, the only taxonomic category that has a real existence.

A

Phylum

B

Species

C

Genus

D

Kingdom

Question 2

In five kingdom system, the main basis of classification is

A

Structure of cell wall

B

Nutrition

C

Structure of nucleus

D

Asexual reproduction

Question 3

In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is used

A

Protista

B

Fungi

C

Plantae

D

Monera

Question 4

The Phylogenetic system of classification was put forth by

A

Theophrastus

B

George Bentham and Joseph Dalton Hooker

C

Carolus Linnaeus

D

Adolf Engler and Karl Prantl

Question 5

Which series ends with the cohort umbellales in Bentham and Hooker's system of classification?

A

Heteromerae

B

Disciflorae

C

Thalamiflorae

D

Calyciflorae

Question 6

Which one of the taxonomic aids can give comprehensive account of complete compiled information of any one genus or family at a particular time?

A

Taxonomic key

B

Flora

C

Herbarium

D

Monograph

Question 7

A perennial shrub has compound leaves and solitary zygomorphic and epigynous flowers. Each flower reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is the ratio of advanced and primitive charactrs in it?

A

1: 2

B

2: 3

C

1: 1

D

3: 2

Question 8

Classification of organisms based on evolutionary as well as genetic relationships is called

A

Numerical taxonomy

B

Phenetics

C

Biosystematics

D

Cladistics

Question 9

Phenetic classification of organisms is based on

A

Sexual characteristics

B

Dendrogram based on DNA characteristics

C

The ancestral lineage of existing organisms

D

Observable characteristics of existing organisms

Question 10

In angiosperm, characters of flowers are used in classification because

A

Flowers are attractive

B

Flowers are large

C

Characters of flowers are conservative

D

None of the above

Question 11

Biosystematics aims at

A

Identification and arrangement of organisms on the basis of cytological characteristics

B

The classification of organisms based on broad morphological characters

C

Delimiting various taxa of organism and establishing their relationships

D

The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies

Question 12

Practical purpose of taxonomy or classification

A

To know the evolutionary history

B

Explain the origin of organisms

C

Facilitate the identification of unknown species

D

Identification of medicinal plants

Question 13

Two plants can be conclusively said to belong to the same species if they

A

Have more than 90 percent similar genes

B

Can reproduce freely with each other and form seeds

C

Have same number of chromosomes

D

Look similar and possess identical secondary metabolites

Question 14

One of the most important functions of botanical gardens is that

A

One can observe tropical plants there

B

They provide the natural habitat for wild life

C

They allow ex-situ conservation of germplasm

D

They provide a beautiful area for recreation

Question 15

Which of the following is a merit in the Bentham and Hooker's system of classification?

A

The placement of family - Asteraceae in the beginning of Gamopetalae

B

The placement of order - Ranals in the beginning

C

Closely related families are placed apart

D

The position of gymnosperms in between dicots and monocots

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